Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 27, 2025	Jun. 28, 2024	Jun. 27, 2025	Jun. 28, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 105.0	$ 120.9	$ 335.7	$ 535.5
Other comprehensive loss, net of tax:
Fair value of investments	0.0	0.0	(0.1)	0.0
Pension adjustments	0.0	0.0	0.0	(0.1)
Comprehensive income	$ 105.0	$ 120.9	$ 335.6	$ 535.4